G.K.N.Profit &Net Division Catalogue. 

 - 1st Ed. 
 -  kognet  1951 
 -  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MECH
<br/><br/><label>Index Terms--Genre/Form: </label><br/>M-22